查询词典 dynamic system

On this foundation, the dynamic response of the spiral bevel gear transmission system was analyzed using numerical simulation method, and the dynamic response of the system was received.

在此基础上，对弧齿锥齿轮传动系统的动态响应进行了数值仿真分析，得到系统的动态响应。

The dissertation begins a deep discussion of the main parameters which may affect the performance of dynamic binary translation and optimization system, and proposes the annotation directed binary translation and optimization, which combines the static compilation and dynamic compilation to improve the performance of the binary running on the computer system.

首先，本文在深入探讨了动态二进制翻译系统中影响性能的主要因素的基础上，提出了注解信息制导的翻译及优化方法，来结合传统编译器和动态二进制翻译和优化系统以提高二进制代码在计算机系统上的运行性能。

Hybrid system is a type of sophisticated system which consists of interactive discrete event dynamic systems and continuous variable dynamic systems.

混合系统是由相互作用的离散事件动态系统和连续变量动态系统构成的复杂系统。

By regression of experimental data, therules of the linkage between these factors, which will provide a theoretical basis for designing BBP with different scales.3 Using thermal analysis technology and dynamic thermogravimetry, the paper studies combustion kinetic characteristics of 3 types of agricultural crops at different rate of temperature rise, and thus, achieved dynamic parameters of these fuels at different rate of temperature, established dynamic model of straw combustion, which reflects the dynamic process in the fast combustion area.4 Characteristics of straw briquette combustion was experimented, focusing on the impact of straw type, temperature, air supply, and density, diameter, and weight of briquette on the combustion speed, and the following conclusions were drawn:(1) combustion of straw briquette fuel is static permeation diffusion combustion;(2) temperature has a larger impact on the speed of straw briquette combustion than air supply; the higher the combustion temperature is, the faster volatilizable component separates out, and the less steady the combustion is;(3) density of briquette fuel has impact on the speed of volatilizable component separation and therefore the combustion speed;(4) increase of diameter and weight of briquette fuel increases the average combustion speed in the initial stage, and that in the later stages is comparatively steady;(5) the proportion of volatilizable component in straw briquette fuel is high, therefore, the temperature control during combustion under the rational ventilation condition is essential to ensure its safe combustion.5 Using the above-mentioned results of experiments and theoretical analysis, and based on thought of hydraulic driven and bi-direction compression, the hydraulic system and compression parts of the HBP BBP are re-designed in terms of industrialization.

利用热分析技术，采用动态热重实验法，对我国的三大农作物秸秆在不同升温速率下的燃烧动力学特性进行了较系统的研究。得到了各原料在不同升温速率下的动力学参数；建立了秸秆燃烧的动力学模型，该模型反映了秸秆迅速燃烧区的动力学过程。 4 对秸秆成型燃料的燃烧特性进行了试验研究。着重研究了秸秆河南农业大学博士学位论文巫的种类、温度、空气供给量、成型燃料密度、直径、质量对成型燃料燃烧速度的影响并得出如下主要结论：①秸秆成型燃料的燃烧方式属于静态渗透式扩散燃烧。②秸秆成型燃料燃烧速度受温度的影响大于通风量燃烧速度的影响：燃烧温度越高，挥发分析出速度越快，燃烧平稳性愈差。③成型燃料密度影响成型燃料挥发分的析出速度，影响燃烧速度。④成型燃料直径和质量的增加，使得燃烧初期的平均燃烧速度增大，中后期的平均燃烧速度相对平稳。⑤秸秆成型燃料含挥发分比例高，因此合理配风下的控温燃烧是保证其完全燃烧的关键。 5运用已取得的试验和理论分析结果，以液压驱动、双向成型为基础，从产业化的角度对HBP型成型机进行了液压系统和成型部件的改进设计；同时采用了二级预压机构，使该成型机的生产率达到 500kg.hd；单位能耗 60kwh。上'左右，磨损件修复周期 300小时左右，基本解决了影响生物质固化技术在国内推广的技术难题。

Based on the background given above, this dissertation studies the theories and technologies related with dynamic balancing , makes full use of DSP chips wonderful computational performance, finally researches and designs a portable dynamic balancing system, simplifying the field dynamic balance of rotating machines. Besides, a new method named Order Tracking Based On Phase is presented, which realizes order tracking purely by software. This method simplifies the hardware set for dynamic balancing and has the definitude physical meaning.

基于这样的背景，本文在对动平衡原理及技术方法深入研究的基础上，利用DSP芯片的高计算性能研制便携式嵌入式动平衡系统，使得旋转机械的现场动平衡工作更为简化方便；同时对与动平衡信号处理密切相关的阶比跟踪方法进行了深入研究，在此基础上提出了基于相位的阶比跟踪方法。

Sponsored by the National Natural Science Foundation under the National Key Project"The modern method and system for remote pseudo dynamic testing of structures under earthquake simulation"(50338020), some studies on the method for remotely collaborative hybrid dynamic testing of substructures and structural elements have been carried out in this thesis. The main research achievements are summarized as followings: Based on the network communication platform NetSLab (Networked Structural laboratories) developed by the research group, the rational framework of a platform for remote pseudo dynamic testing applications of substructures and structural elements is proposed and a robust standardized platform entitled NetSLab-SDOF has been developed for remotely collaborative hybrid dynamic testing of single story structures with Visual Basic program language. It is composed of four modules, named as control center, physical tester, virtual tester, and remote observer.

本文结合国家自然科学重点资助课题&现代结构拟动力地震模拟协同试验方法与系统&(50338020)，对结构远程协同拟动力试验方法进行了研究，主要成果如下：基于课题组开发的网络平台NetSLab，搭建了结构远程协同拟动力试验平台的构架，采用Visual Basic语言开发了一个标准化的开放式单层结构远程协同拟动力试验平台NetSLab-SDOF，它由控制中心、真实试验机、虚拟试验机和远程观察器四个模块组成。

Applying the software ADAMS for dynamic simulation and Pro/E for three-dimensional design creates the mechanical system of virtual prototyping model of the 200t crawler crane. The models of the drag bar, the spring backstop, the luffer rope and the crawler in the system are established well by ADAMS/View module. The dynamic simulation of the complete mechanical system is researched at series of work condition, which occurs possibly the crawler crane boom backward tipping as the crawler crane unloads suddenly.

本文应用虚拟样机技术动力学仿真软件ADAMS，结合三维实体设计软件Pro/E构建了200t履带起重机的虚拟样机机械系统模型，并利用ADAMS/View模块完善了系统中拉板、弹簧式防后倾装置、变幅钢丝绳和履带模型：研究了履带起重机突然卸载时可能发生臂架后倾的一系列工况下，整机机械系统模型的动力学仿真。

And then the designing process and method of the system are expatiated, including the analysis of the system performance, functional module partition, equipment selection and installation, dynamic real-time image acquisition, defect detection arithmetic, and so on. It is worth mentioning that, we have creatively achieve to capture the dynamic images of blood lancets automatically, and we have designed a simple but effective arithmetic for detecting defects according to the image features of blood lancets. Finally, we analyse the experimental results and evaluate the system performent.

在系统设计的过程中，创造性地实现了动态图像的自动采集，对采血针图像的特征进行了有效的分析，采用图像裁剪、直方图均衡化的图像增强方法、邻域平均法的平滑处理方法、基于迭代法自动确定阈值的图像分割方法等对采血针图像进行预处理，根据采血针缺陷的形状特征设计了简单易行精度较高的缺陷检测算法。

Complete and advanded quality testing systems incude impeller's dynamic and static balance testing and correcting system,the whole machinery dynamic balance testing system,fan performance testing center,full-automatic computer testing line for ventilating fan and specialized computer testing system for motor.

德通获ISO9001：2000质量体系认证，并通过3C、CE、GS等多项各国认证，形成了德通产品高品质的体系保证。2、完备先进的质量检测系统：风轮动静平衡检测校正系统，整机动平衡检测系统，换气扇全自动电脑检测线，电机专用电脑测试系统。

The dynamic performance equations for flexible rotor-bearing system are eshablished, the dynamic analysis for the rotor bearing system is carried out, the influence of mechanical seals to forced and self-exciting movement of rotor-bearing system is presented.

建立了柔性转子轴承系统的运动方程，对水轮机转子－轴承系统进行了动力学分析，确定了机械密封对转子－轴承系统动力学性能的影响。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。